def signTx(self, key_bytes, tx_bytes, prevout_n, prevout_script,
prevout_value):
tx = self.loadTx(tx_bytes)
sig_hash = SegwitV0SignatureHash(prevout_script, tx, prevout_n,
SIGHASH_ALL, prevout_value)
eck = PrivateKey(key_bytes)
return eck.sign(sig_hash, hasher=None) + bytes((SIGHASH_ALL, ))
def test_signature_correct(self):
private_key = PrivateKey()
public_key = private_key.public_key
message = urandom(200)
signature = private_key.sign(message)
assert verify_signature(signature, message, public_key.format(compressed=True))
assert verify_signature(signature, message, public_key.format(compressed=False))
def test_sign(self):
coin_settings = {'rpcport': 0, 'rpcauth': 'none', 'blocks_confirmed': 1, 'conf_target': 1}
ci = BTCInterface(coin_settings, 'regtest')
vk = i2b(ci.getNewSecretKey())
pk = ci.getPubkey(vk)
message = 'test signing message'
message_hash = hashlib.sha256(bytes(message, 'utf-8')).digest()
eck = PrivateKey(vk)
sig = eck.sign(message.encode('utf-8'))
ci.verifySig(pk, message_hash, sig)
